src/game/CombatHandler.cpp

   1 /*
   2  * Copyright (C) 2005-2010 MaNGOS <http://getmangos.com/>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #include "Common.h"
  20 #include "Log.h"
  21 #include "WorldPacket.h"
  22 #include "WorldSession.h"
  23 #include "ObjectAccessor.h"
  24 #include "CreatureAI.h"
  25 #include "ObjectGuid.h"
  26
  27 void WorldSession::HandleAttackSwingOpcode( WorldPacket & recv_data )
  28 {
  29     ObjectGuid guid;
  30     recv_data >> guid;
  31
  32     DEBUG_LOG("WORLD: Recvd CMSG_ATTACKSWING Message %s", guid.GetString().c_str());
  33
  34     Unit *pEnemy = ObjectAccessor::GetUnit(*_player, guid.GetRawValue());
  35
  36     if(!pEnemy)
  37     {
  38         if(!guid.IsUnit())
  39             sLog.outError("WORLD: %u isn't player, pet or creature", guid.GetString().c_str());
  40         else
  41             sLog.outError( "WORLD: Enemy %s not found", guid.GetString().c_str());
  42
  43         // stop attack state at client
  44         SendAttackStop(NULL);
  45         return;
  46     }
  47
  48     if(_player->IsFriendlyTo(pEnemy) || pEnemy->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NON_ATTACKABLE | UNIT_FLAG_NOT_SELECTABLE))
  49     {
  50         sLog.outError( "WORLD: Enemy %s is friendly",guid.GetString().c_str());
  51
  52         // stop attack state at client
  53         SendAttackStop(pEnemy);
  54         return;
  55     }
  56
  57     if(!pEnemy->isAlive())
  58     {
  59         // client can generate swing to known dead target if autoswitch between autoshot and autohit is enabled in client options
  60         // stop attack state at client
  61         SendAttackStop(pEnemy);
  62         return;
  63     }
  64
  65     _player->Attack(pEnemy,true);
  66 }
  67
  68 void WorldSession::HandleAttackStopOpcode( WorldPacket & /*recv_data*/ )
  69 {
  70     GetPlayer()->AttackStop();
  71 }
  72
  73 void WorldSession::HandleSetSheathedOpcode( WorldPacket & recv_data )
  74 {
  75     uint32 sheathed;
  76     recv_data >> sheathed;
  77
  78     //sLog.outDebug( "WORLD: Recvd CMSG_SETSHEATHED Message guidlow:%u value1:%u", GetPlayer()->GetGUIDLow(), sheathed );
  79
  80     if(sheathed >= MAX_SHEATH_STATE)
  81     {
  82         sLog.outError("Unknown sheath state %u ??",sheathed);
  83         return;
  84     }
  85
  86     GetPlayer()->SetSheath(SheathState(sheathed));
  87 }
  88
  89 void WorldSession::SendAttackStop(Unit const* enemy)
  90 {
  91     WorldPacket data( SMSG_ATTACKSTOP, (4+20) );            // we guess size
  92     data.append(GetPlayer()->GetPackGUID());
  93     data.append(enemy ? enemy->GetPackGUID() : 0);          // must be packed guid
  94     data << uint32(0);                                      // unk, can be 1 also
  95     SendPacket(&data);
  96 }